Statewide Rankings

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Please note, Degree Days and Palmer Indices are not available for Alaska. Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

Idaho

Minimum Temperature Rankings, December 1921

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
December 1921 1-Month	17.0°F (-8.3°C)	16.2°F (-8.8°C)	0.8°F (0.5°C)	71st Coolest	Coolest since: 1919	1990
	17.0°F (-8.3°C)	16.2°F (-8.8°C)	0.8°F (0.5°C)	58th Warmest	Warmest since: 1920	1917
	Ties: 1897
Nov–Dec 1921 2-Month	21.0°F (-6.1°C)	19.5°F (-6.9°C)	1.5°F (0.8°C)	86th Coolest	Coolest since: 1919	1985
	21.0°F (-6.1°C)	19.5°F (-6.9°C)	1.5°F (0.8°C)	43rd Warmest	Warmest since: 1920	1917
	Ties: 1907, 1989
Oct–Dec 1921 3-Month	24.6°F (-4.1°C)	23.6°F (-4.7°C)	1.0°F (0.6°C)	80th Coolest	Coolest since: 1919	1985
	24.6°F (-4.1°C)	23.6°F (-4.7°C)	1.0°F (0.6°C)	49th Warmest	Warmest since: 1920	1950
	Ties: 1899, 1998, 2001
Sep–Dec 1921 4-Month	27.4°F (-2.6°C)	27.7°F (-2.4°C)	-0.3°F (-0.2°C)	43rd Coolest	Coolest since: 1919	1985
	27.4°F (-2.6°C)	27.7°F (-2.4°C)	-0.3°F (-0.2°C)	86th Warmest	Warmest since: 1920	1950
	Ties: 1982
Aug–Dec 1921 5-Month	31.5°F (-0.3°C)	31.6°F (-0.2°C)	-0.1°F (-0.1°C)	44th Coolest	Coolest since: 1919	1985
	31.5°F (-0.3°C)	31.6°F (-0.2°C)	-0.1°F (-0.1°C)	85th Warmest	Warmest since: 1920	2014
	Ties: 1913
Jul–Dec 1921 6-Month	34.4°F (1.3°C)	34.6°F (1.4°C)	-0.2°F (-0.1°C)	41st Coolest	Coolest since: 1919	1985
	34.4°F (1.3°C)	34.6°F (1.4°C)	-0.2°F (-0.1°C)	88th Warmest	Warmest since: 1920	2021
	Ties: 1899, 1900, 1909, 1945, 2009
Jun–Dec 1921 7-Month	36.0°F (2.2°C)	35.8°F (2.1°C)	0.2°F (0.1°C)	53rd Coolest	Coolest since: 1919	1916
	36.0°F (2.2°C)	35.8°F (2.1°C)	0.2°F (0.1°C)	76th Warmest	Warmest since: 1920	2021
	Ties: 1897, 1900, 1960, 1965, 1982, 1987
May–Dec 1921 8-Month	36.2°F (2.3°C)	35.9°F (2.2°C)	0.3°F (0.1°C)	70th Coolest	Coolest since: 1920	1916
	36.2°F (2.3°C)	35.9°F (2.2°C)	0.3°F (0.1°C)	59th Warmest	Warmest since: 1920	2021
	Ties: 1900, 1920, 1923, 1936, 1949, 1969, 1979, 1999, 2010
Apr–Dec 1921 9-Month	35.3°F (1.8°C)	35.1°F (1.7°C)	0.2°F (0.1°C)	54th Coolest	Coolest since: 1920	1916
	35.3°F (1.8°C)	35.1°F (1.7°C)	0.2°F (0.1°C)	75th Warmest	Warmest since: 1918	2021
	Ties: 1904, 1913, 1915, 1942, 1943, 1965
Mar–Dec 1921 10-Month	34.3°F (1.3°C)	33.8°F (1.0°C)	0.5°F (0.3°C)	80th Coolest	Coolest since: 1920	1916
	34.3°F (1.3°C)	33.8°F (1.0°C)	0.5°F (0.3°C)	49th Warmest	Warmest since: 1918	2015
	Ties: 1907, 1915, 1918, 1933, 1949, 1961, 1967, 1983, 1990, 1991, 2000, 2002
Feb–Dec 1921 11-Month	32.8°F (0.4°C)	32.3°F (0.2°C)	0.5°F (0.2°C)	79th Coolest	Coolest since: 1920	1985
	32.8°F (0.4°C)	32.3°F (0.2°C)	0.5°F (0.2°C)	50th Warmest	Warmest since: 1915	2015
	Ties: 1901, 1937, 1946, 2005, 2019
Jan–Dec 1921 12-Month	31.5°F (-0.3°C)	30.8°F (-0.7°C)	0.7°F (0.4°C)	85th Coolest	Coolest since: 1920	1985
	31.5°F (-0.3°C)	30.8°F (-0.7°C)	0.7°F (0.4°C)	44th Warmest	Warmest since: 1918	1934, 2015
	Ties: 1901, 1906, 1918, 1947, 1996, 2022
Jul 1920–Dec 1921 18-Month	32.9°F (0.5°C)	32.0°F (0.0°C)	0.9°F (0.5°C)	94th Coolest	Coolest since: 1920	1985
	32.9°F (0.5°C)	32.0°F (0.0°C)	0.9°F (0.5°C)	34th Warmest	Warmest since: 1918	2015
	Ties: 1961, 1997, 2019
Jan 1920–Dec 1921 24-Month	31.2°F (-0.4°C)	30.8°F (-0.7°C)	0.4°F (0.3°C)	77th Coolest	Coolest since: 1920	1985
	31.2°F (-0.4°C)	30.8°F (-0.7°C)	0.4°F (0.3°C)	51st Warmest	Warmest since: 1907	2015, 2016
	Ties: 1897, 1962, 1983, 1990, 1993
Jan 1919–Dec 1921 36-Month	30.6°F (-0.8°C)	30.8°F (-0.7°C)	-0.2°F (-0.1°C)	40th Coolest	Coolest since: 1920	1930, 1931
	30.6°F (-0.8°C)	30.8°F (-0.7°C)	-0.2°F (-0.1°C)	87th Warmest	Warmest since: 1920	2016
	Ties: 1920, 1946, 1955
Jan 1918–Dec 1921 48-Month	30.8°F (-0.7°C)	30.7°F (-0.7°C)	0.1°F (0.0°C)	51st Coolest	Coolest since: 1920	1932
	30.8°F (-0.7°C)	30.7°F (-0.7°C)	0.1°F (0.0°C)	75th Warmest	Warmest since: 1910	2017
	Ties: 1947, 1948, 1962, 1966, 1967, 1971, 1972
Jan 1917–Dec 1921 60-Month	30.6°F (-0.8°C)	30.8°F (-0.7°C)	-0.2°F (-0.1°C)	36th Coolest	Coolest since: 1920	1932, 1933
	30.6°F (-0.8°C)	30.8°F (-0.7°C)	-0.2°F (-0.1°C)	89th Warmest	Warmest since: 1911	2018
	Ties: 1903, 1925, 1934, 1935, 1939, 1945, 1948

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published January 2023, retrieved on February 3, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings